Got add and query working for documents.

src/message.rs

@@ -1186,15 +1186,12 @@ impl Reply {
     }
 }
 
-impl Iterator for Reply {
+impl IntoIterator for Reply {
     type Item = Document;
+    type IntoIter = std::vec::IntoIter<Self::Item>;
 
-    fn next(&mut self) -> Option<Self::Item> {
-        if self.data.len() > 0 {
-            Some(self.data.remove(0))
-        } else {
-            None
-        }
+    fn into_iter(self) -> Self::IntoIter {
+        self.data.into_iter()
     }
 }
 
@@ -1228,17 +1225,18 @@ mod replies {
         let mut reply = Reply::new();
         reply.add(doc1);
         reply.add(doc2);
-        let result1 = reply.next().unwrap();
+        let mut reply_iter = reply.into_iter();
+        let mut result1 = reply_iter.next().unwrap();
         match result1.get_field(&fieldname).unwrap() {
             Field::StaticString(output) => assert_eq!(output, "one"),
             _ => unreachable!("got {:?}: should have been static string", result1),
         }
-        let result2 = reply.next().unwrap();
+        let result2 = reply_iter.next().unwrap();
         match result2.get_field(&fieldname).unwrap() {
             Field::StaticString(output) => assert_eq!(output, "two"),
             _ => unreachable!("got {:?}: should have been static string", result2),
         }
-        match reply.next() {
+        match reply_iter.next() {
             None => {}
             Some(_) => unreachable!("should be out of data"),
         }
@@ -1300,6 +1298,7 @@ mod documents {
 }
 
 struct DocumentFile {
+    docs: Vec<Document>,
     queue: Queue,
     rx: Receiver<Message>,
 }
@@ -1307,6 +1306,7 @@ struct DocumentFile {
 impl DocumentFile {
     fn new(queue: Queue, rx: Receiver<Message>) -> Self {
         Self {
+            docs: Vec::new(),
             queue: queue,
             rx: rx,
         }
@@ -1353,15 +1353,26 @@ impl DocumentFile {
             let msg = self.rx.recv().unwrap();
             let reply = match msg.get_action() {
                 MsgAction::Addition(data) => self.add_document(data),
+                MsgAction::Query(query) => self.query(query),
                 _ => Reply::new(),
             };
             self.queue.send(msg.reply(reply)).unwrap();
         }
     }
 
-    fn add_document(&mut self, new_doc: &Addition) -> Reply {
+    fn add_document(&mut self, addition: &Addition) -> Reply {
         let mut reply = Reply::new();
-        reply.add(new_doc.get_document());
+        let doc = addition.get_document();
+        self.docs.push(doc.clone());
+        reply.add(doc);
+        reply
+    }
+
+    fn query(&self, query: &Query) -> Reply {
+        let mut reply = Reply::new();
+        for doc in self.docs.iter() {
+            reply.add(doc.clone());
+        }
         reply
     }
 }
@@ -1479,6 +1490,7 @@ mod document_files {
     fn can_document_be_added() {
         let mut docdef = DocDef::new();
         let name = "field";
+        let doc_name = "document";
         let data = Uuid::new_v4();
         docdef.add_field(name.to_string(), FieldType::Uuid);
         let routes = [RouteRequest::new(
@@ -1487,17 +1499,51 @@ mod document_files {
             Include::Some(Action::Reply),
         )]
         .to_vec();
-        let (queue, rx) = test_doc(name, docdef, routes);
-        let msg = Message::new(name, Addition::new());
+        let (queue, rx) = test_doc(doc_name, docdef, routes);
+        let mut new_doc = Addition::new();
+        new_doc.add_field(name.to_string(), data.clone());
+        let msg = Message::new(doc_name, new_doc);
         queue.send(msg.clone()).unwrap();
         let result = rx.recv_timeout(TIMEOUT).unwrap();
         assert_eq!(result.get_message_id(), msg.get_message_id());
         match result.get_action() {
-            MsgAction::Reply(output) => assert_eq!(output.len(), 1),
+            MsgAction::Reply(output) => {
+                assert_eq!(output.len(), 1);
+                let holder = output.clone().into_iter().next().unwrap();
+                match holder.get_field(name) {
+                    Some(field) => match field {
+                        Field::Uuid(store) => assert_eq!(store, &data),
+                        _ => unreachable!(
+                            "got {:?}: should have received uuid",
+                            holder.get_field(name).unwrap()
+                        ),
+                    },
+                    None => unreachable!("{:?} did not contain field '{}'", holder, name),
+                }
+            }
+            _ => unreachable!("got {:?}: should have been a reply", result),
+        }
+        let msg = Message::new(doc_name, Query::new());
+        queue.send(msg.clone()).unwrap();
+        let result = rx.recv_timeout(TIMEOUT).unwrap();
+        assert_eq!(result.get_message_id(), msg.get_message_id());
+        match result.get_action() {
+            MsgAction::Reply(output) => {
+                assert_eq!(output.len(), 1);
+                let holder = output.clone().into_iter().next().unwrap();
+                match holder.get_field(name) {
+                    Some(field) => match field {
+                        Field::Uuid(store) => assert_eq!(store, &data),
+                        _ => unreachable!(
+                            "got {:?}: should have received uuid",
+                            holder.get_field(name).unwrap()
+                        ),
+                    },
+                    None => unreachable!("{:?} did not contain field '{}'", holder, name),
+                }
+            }
             _ => unreachable!("got {:?}: should have been a reply", result),
         }
-        // Finish the test.
-        // Need to add addition message.
     }
 }